3-[(Trimethylsilyl)ethynyl]benzonitrile

3-[(三甲基甲硅烷基)乙炔]苯甲腈

Also known as: 1-(3-Cyanophenyl)-2-(trimethylsilyl)acetylene, 3-[(Trimethylsilanyl)ethynyl]benzonitrile, 3-(2-Trimethylsilylethynyl)benzonitrile, 3-Trimethylsilanylethynyl-benzonitrile, Benzonitrile, 3-[2-(trimethylsilyl)ethynyl]-, 3-Trimethylsilanethynyl-benzonitrile

3-[(Trimethylsilyl)ethynyl]benzonitrile (CAS 190771-22-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H13NSi and a molecular weight of 199.32400 g/mol. It is also known as 1-(3-Cyanophenyl)-2-(trimethylsilyl)acetylene, 3-[(Trimethylsilanyl)ethynyl]benzonitrile and 3-(2-Trimethylsilylethynyl)benzonitrile. Key properties include a melting point of 42-47ºC, a boiling point of 261.8ºC at 760mmHg, a density of 0.99g/cm3 and a flash point of 112.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

190771-22-3

Jingsj CID

J-1046191-2

Molecular Formula

C₁₂H₁₃NSi

Chinese Name

3-[(三甲基甲硅烷基)乙炔]苯甲腈

Molecular Weight

199.32400 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026